Jenkins Build must fail if there are “high severity” or “critical severity” alerts in github

[Ravindra verma]

Hi Experts , 

I need a help  in regards to Jenkins job , i want to set up a Protocol in jenkins job , if there is any high severity” or critical severity Alerts in Github thn job get stop or it will not start .han

Any Grovay code or UI medium will work for me .

Thanks

Ravindra Verma